<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
<script>
    var b = true;
    var c = 0;
    if (c) {
        console.log("成功");
    }
    console.log("程序执行完毕");
</script>
</body>
</html>